If g(x)=x^(2)+x-2 and 1/2 gof (x)=2x^(2)...

If `g(x)=x^(2)+x-2` and `1/2 gof (x)=2x^(2)-5x+2`, then which is `f(x)`

A

`2x-3`

B

`-2x-3`

C

`x-3`

D

`x+3`

Verified by Experts

The correct Answer is:

C

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